Microsoft is adding native support for RAR, 7-Zip, and GZ archives to an upcoming version of Windows 11 expected this week.

https://www.bleepingcomputer.com/news/security/windows-11-adding-native-support-for-7-zip-rar-and-gz-archives/

Windows 11 adding native support for 7-Zip, RAR, and GZ archives

Microsoft is adding native support for RAR, 7-Zip, and GZ archives to an upcoming version of Windows 11 expected this week.

BleepingComputer
@BleepingComputer I used to think Microsoft was a company that produced software. Seems they prefer to aggregate software produced by others.
@spmatich @BleepingComputer This is basic functionality. It is surprising that this wasn't always built into Windows.